1200222122044 has 48 divisors (see below), whose sum is σ = 2306754293760. Its totient is φ = 541886304960.

The previous prime is 1200222121993. The next prime is 1200222122051. The reversal of 1200222122044 is 4402212220021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20190037 + ... + 20249395.

It is an arithmetic number, because the mean of its divisors is an integer number (48057381120).

Almost surely, 2^{1200222122044} is an apocalyptic number.

It is an amenable number.

1200222122044 is a deficient number, since it is larger than the sum of its proper divisors (1106532171716).

1200222122044 is a wasteful number, since it uses less digits than its factorization.

1200222122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62458 (or 62456 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1200222122044 its reverse (4402212220021), we get a palindrome (5602434342065).

The spelling of 1200222122044 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, forty-four".